/*
 * Copyright (C) 2009 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package info.niwota.ezb;


/**
 * The interface of all image collections used in gallery.
 */
public interface IImageList {
   // public HashMap<String, String> getBucketIds();

    /**
     * Returns the count of image objects.
     *
     * @return       the number of images
     */
    public int getCount();

    /**
     * @return true if the count of image objects is zero.
     */
    public boolean isEmpty();

    /**
     * Returns the image at the ith position.
     *
     * @param i     the position
     * @return      the image at the ith position
     */
    public IImage getImageAt(int i);

    /**
     * Returns the image with a particular Uri.
     *
     * @param uri
     * @return      the image with a particular Uri. null if not found.
     */
   // public IImage getImageForUri(Uri uri);

    /**
     *
     * @param image
     * @return true if the image was removed.
     */
   // public boolean removeImage(IImage image);

    /**
     * Removes the image at the ith position.
     * @param i     the position
     */
    public boolean removeImageAt(int i);

   // public int getImageIndex(IImage image);

    /**
     * Closes this list to release resources, no further operation is allowed.
     */
    public void close();

	//public void add(ContentResolver cr, int loc, Uri uri);
}
